Buffering structure and clamping device using same

Abstract

The present invention discloses a buffering structure includes at least two buffering layers connected with each other. The buffering layers are made of resilient material, and at least one of the buffering layers defines a number of hollow units therein.

What is claimed is: 
     
         1 . A buffering structure set at a place of a clamping device contacting with a body, the buffering structure comprising:
 at least two buffering layers connected with each other;   wherein the buffering layers are made of resilient material, and at least one of the buffering layers defines a plurality of hollow units therein.   
     
     
         2 . The buffering structure of  claim 1 , wherein the hollow units are extended along a thickness direction of the buffering layers, and the hollow units are arranged as a matrix. 
     
     
         3 . The buffering structure of  claim 2 , wherein the hollow units in each of the buffering layers are arranged in a same form. 
     
     
         4 . The buffering structure of  claim 2 , wherein the hollow units in each of the buffering layers are arranged in different forms. 
     
     
         5 . The buffering structure of  claim 1 , wherein the shape of each hollow unit is selected from a group consisting of circular and rectangular. 
     
     
         6 . The buffering structure of  claim 1 , wherein the thickness of the buffering layer is selected from a range from 1 millimeter to 10 millimeter. 
     
     
         7 . The buffering structure of  claim 1 , wherein the different buffering layers are combined with each other by a plurality of bolts or an adhesive. 
     
     
         8 . The buffering structure of  claim 1 , further comprising an interlayer set between two buffering layers, wherein the area of the interlayer is greater than the area of the buffering layer, and a part of the interlayer is protruded out from a periphery of the buffering layer when the interlayer is clamped between two buffering layers. 
     
     
         9 . The buffering structure of  claim 8 , wherein the interlayer is a solid made of resilient material. 
     
     
         10 . A clamp device comprising:
 at least one clamp, each clamp comprising:   a pair of clamping arms rotatably connected with each other;   a driver driving the clamping arms to rotate; and   a buffering structure set on the clamping arms;   wherein each of the clamping arms comprises a connecting end and a clamping end opposite to the connecting end, the clamping arms are rotatably connected with each other at the connecting ends, the driver is set at a place where the clamping arms are connected and drives the clamping arms to rotate relative to each other, the buffering structure is set on a side surface of each clamping end facing the clamping end, the buffering structure comprises at least two buffering layers connecting with each other, the buffering layers are made of resilient material, and one of the buffering layers defines a plurality of hollow units therein.   
     
     
         11 . The clamp device of  claim 10 , wherein the hollow units are extended along a thickness direction of the buffering layers, and the hollow units are arranged as a matrix. 
     
     
         12 . The clamp device of  claim 11 , wherein the hollow units in each of the buffering layers are arranged in a same form. 
     
     
         13 . The clamp device of  claim 11 , wherein the hollow units in each of the buffering layers are arranged in different forms. 
     
     
         14 . The clamp device of  claim 10 , wherein the shape of each hollow unit is selected from a group consisting of circular and rectangular. 
     
     
         15 . The clamp device of  claim 10 , wherein the thickness of the buffering layer is selected from a range from 1 millimeter to 10 millimeter. 
     
     
         16 . The clamp device of  claim 10 , wherein the different buffering layers are combined with each other by a plurality of bolts or an adhesive. 
     
     
         17 . The clamp device of  claim 10 , further comprising an interlayer set between two buffering layers, wherein the area of the interlayer is greater than the area of the buffering layer, and a part of the interlayer is protruded out from a periphery of the buffering layer when the interlayer is clamped between two buffering layers. 
     
     
         18 . The clamp device of  claim 17 , wherein the interlayer is a solid made of resilient material. 
     
     
         19 . A buffering structure comprising:
 more than two buffering layers connected with each other;   wherein the buffering layers are made of resilient material, and at least one of the buffering layers defines a plurality of hollow units therein along a thickness direction, and the hollow units are arranged at a matrix.   
     
     
         20 . The buffering structure of  claim 19 , further comprising an interlayer set between two buffering layers, wherein the area of the interlayer is greater than the area of the buffering layer, and a part of the interlayer is protruded out from a periphery of the buffering layer when the interlayer is clamped between two buffering layers.